US7445868B2 - Battery packs - Google Patents
Battery packs Download PDFInfo
- Publication number
- US7445868B2 US7445868B2 US11/776,933 US77693307A US7445868B2 US 7445868 B2 US7445868 B2 US 7445868B2 US 77693307 A US77693307 A US 77693307A US 7445868 B2 US7445868 B2 US 7445868B2
- Authority
- US
- United States
- Prior art keywords
- liquid
- absorbing
- circuit board
- wiring circuit
- retaining element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- the present application relates to battery packs comprising a battery cell contained in a case.
- Battery packs including a battery case containing therein a primary battery or a secondary battery and a wiring circuit board have been conventionally used. If the electrolyte leaks out from a battery cell in such battery packs, wrong connection may occur by corrosion of the wire of the wiring circuit board or reversely, a short circuit may occur. Thus, it was proposed to place a liquid-absorbing element capable of absorbing electrolytes at a position in contact with or in proximity to the battery in the battery packs in order to avoid the problem of corrosion or short-circuit even if the electrolyte leaks out (e.g., see Japanese Patent Application No. 2001-351588).
- Such liquid-absorbing elements include nonwoven fabrics, liquid-absorbing resins, porous plastics, nonwoven fabrics or porous plastics held with a liquid-absorbing resin, and the like, and these are placed to fill gaps between battery cells in the battery case or bonded to the wiring circuit board excluding the circuit zone or the wall surface of the battery case by using an adhesive or the adhesiveness of the liquid-absorbing elements per se.
- the liquid-absorbing element must also be removed and inserted again when the battery cells are replaced. If the liquid-absorbing element is bonded to the wall surface of the battery case or the substrate with an adhesive or the adhesiveness of the liquid-absorbing element per se, the swelling force acts as a peel force on the bonded surface of the liquid-absorbing element to the wall surface of the case or the board when the liquid-absorbing element has been swollen by absorbing the electrolyte. As a result, the liquid-absorbing element might be displaced from the wall surface of the battery case or an intended location on the board and move to an undesirable position such as the circuit zone.
- the subject matter of the present application aims to provide a battery pack containing a liquid-absorbing element wherein the liquid-absorbing element remains at an intended location even after the liquid-absorbing element has been swollen by absorbing the electrolyte.
- the liquid absorbing element is fixed to the attaching part of the battery case at a position of an absorbent-free part of the porous retaining element.
- a first aspect provides a battery pack including a battery case containing therein a battery cell, a wiring circuit board, and a liquid-absorbing element capable of absorbing the electrolyte leaking out from the battery cell, the battery pack further includes a retaining element made of a material incapable of absorbing the electrolyte for retaining the liquid-absorbing element; and the liquid-absorbing element is inserted with looseness allowing for expansion in a gap formed by the retaining element on an attaching part in the battery case.
- a second aspect provides a battery pack comprising a battery case containing therein a battery cell, a wiring circuit board, and a liquid-absorbing element capable of absorbing the electrolyte leaking out from the battery cell, wherein the liquid-absorbing element includes a liquid absorbent part having a porous retaining element incapable of absorbing the electrolyte and a liquid absorbent held by a part of the porous retaining element, while the porous retaining element is fixed to an attaching part in the battery case at a part free from the liquid absorbent.
- the liquid-absorbing element is inserted with looseness allowing for expansion in a gap formed by a retaining element on an attaching part consisting of the inner wall of the battery case or the wiring circuit board.
- the liquid-absorbing element need not be directly bonded with an adhesive to a position such as, the inner wall of the battery case or an intended location on the wiring circuit board, thereby solving the problem that the bonded surface of the liquid-absorbing element may be detached from the inner wall of the battery case or the wiring circuit board when the liquid-absorbing element has been swollen by absorbing the electrolyte, and in the result, the result that the liquid-absorbing element is stably retained at an intended location and the safety of the wiring circuit board is improved.
- the liquid-absorbing element includes a liquid absorbent part formed of a non-absorbent porous retaining element partially holding a liquid absorbent and the porous retaining element is fixed to an attaching part in the battery case consisting of the inner wall of the battery case or the wiring circuit board at a part free from the liquid absorbent.
- the porous retaining element at the part free from the liquid absorbent does not expand and cannot be detached at that part even if the liquid absorbent has been swollen by absorbing the electrolyte. Therefore, the problem of the displacement of the liquid-absorbing element from an intended position by swelling of the liquid-absorbing element can be overcome, thereby improving the safety of the wiring circuit board.
- FIG. 1A is a perspective view of a battery pack.
- FIG. 1B is a perspective view of the battery pack in the vicinity of the wiring circuit board.
- FIG. 1C is a sectional view along x-x line of the battery pack in the vicinity of the wiring circuit board.
- FIG. 2A is a perspective view of a battery pack in the vicinity of the wiring circuit board.
- FIG. 2B is a sectional view along x-x line of the battery pack in the vicinity of the wiring circuit board.
- FIG. 3A is a perspective view of a battery pack in the vicinity of the wiring circuit board.
- FIG. 3B is a sectional view along x-x line of the battery pack in the vicinity of the wiring circuit board.
- FIG. 4A is a perspective view of a battery pack in the vicinity of the wiring circuit board.
- FIG. 4B is a plan view of the battery pack in the vicinity of the wiring circuit board.
- FIG. 4C is a sectional view along x-x line of the battery pack in the vicinity of the wiring circuit board.
- FIG. 5A is a perspective view of a battery pack.
- FIG. 5B is a perspective view of the battery pack in the vicinity of the wiring circuit board.
- FIG. 5C is a sectional view along x-x line of the battery pack in the vicinity of the wiring circuit board.
- FIG. 6 is a sectional view of a battery pack in the vicinity of the wiring circuit board.
- FIG. 7 is a sectional view of a battery pack in the vicinity of the wiring circuit board.
- FIG. 8 is a sectional view of a battery pack in the vicinity of the wiring circuit board.
- FIG. 9A is a perspective view of a battery pack.
- FIG. 9B is a sectional view along x-x line of the battery pack in the vicinity of the inner wall surface of the battery case.
- FIG. 1A is a perspective view of a battery pack 1 A according to an embodiment of the first aspect
- FIG. 1B is a perspective view of the battery pack in the vicinity of the wiring circuit board from which the battery case and the battery cells have been removed
- FIG. 1C is a sectional view along x-x line in FIG. 1B in the vicinity of the wiring circuit board.
- This battery pack 1 A includes a battery case 2 made from an insulating resin such as a polycarbonate resin or acrylonitrile-butadiene-styrene resin (ABS resin) containing therein battery cells 3 including primary batteries such as alkaline batteries or secondary batteries such as lithium batteries or lithium ion batteries and a wiring circuit board 4 .
- Battery cells 3 including primary batteries such as alkaline batteries or secondary batteries such as lithium batteries or lithium ion batteries and a wiring circuit board 4 .
- Leads 5 connecting the circuit of the wiring circuit board 4 and the electrode terminals of the battery cells 3 rise from the wiring circuit board 4 .
- An approximately plate-like or sheet-like retaining element 10 A made from a material incapable of absorbing electrolytes, e.g., a liquid-permeable material such as a mesh or nonwoven fabric formed from polyethylene, polypropylene, polyimide, polyamide, polyethylene terephthalate or the like is provided on the wiring circuit board 4 .
- This retaining element 10 A has a dimension approximately equal to that of the wiring circuit board 4 and includes a support 11 projecting at the center, and the retaining element 10 A is fixed to the wiring circuit board (attaching part) 4 via this support 11 . It should be noted that the fixation of the support 11 of the retaining element 10 A and the wiring circuit board 4 is accomplished by fitting, bonding with an adhesive or the like, and may be detachable.
- a gap 12 is formed between the back surface 21 of the retaining element 10 A facing the wiring circuit board 4 and the top surface 22 of the wiring circuit board 4 .
- a liquid-absorbing element 13 A having a dimension approximately equal to that of the retaining element 10 is loosely inserted in the gap 12 .
- the height h of the gap 12 (e.g., the distance between the back surface 21 of the retaining element 10 A and the top surface 22 of the wiring circuit board 4 ) is not specifically limited, but normally it is preferably 0.7 to 1 mm when the battery pack 1 A has a size of about 20 mm, for example.
- loosely inserted means that the liquid-absorbing element 13 A is loosely inserted with looseness in the gap 12 .
- the liquid-absorbing element 13 A can be a nonwoven fabric made from a fiber capable of absorbing electrolytes, a porous plastic, a liquid-absorbing resin, a nonwoven fabric or porous plastic carrying (e.g., held with) a liquid absorbent, and especially the nonwoven fabric or porous plastic carrying a liquid absorbent preferably carries the liquid absorbent throughout the nonwoven fabric or porous plastic.
- Liquid absorbents that can be used here include various polymer materials such as adsorptive polymers, gelling polymers and self-swelling polymers. More specifically, they include water-absorbent resins such as, series of polyacrylate resins, starch-graft copolymers, polyacrylamide resins and isobutylene-maleic acid series resins; and oil-absorbent resins such as crosslinked long-chain alkyl acrylate polymers and polynorbornenes; especially polymers capable of sufficiently absorbing nonaqueous solvents used in lithium ion batteries such as propylene carbonate or dimethyl carbonate.
- water-absorbent resins such as, series of polyacrylate resins, starch-graft copolymers, polyacrylamide resins and isobutylene-maleic acid series resins
- oil-absorbent resins such as crosslinked long-chain alkyl acrylate polymers and polynorbornenes
- a monomer component such as benzil acrylate, N-vinyl-2-pyrrolidone,
- the liquid-absorbing element 13 A is preferably in the form of a sheet or a plate hollowed at a part corresponding to the support 11 of the retaining element 10 A so that the location of the liquid-absorbing element 13 A can be restricted by inserting the support 11 of the retaining element 10 A into the hollow to fix the retaining element 10 A to the wiring circuit board 4 .
- the liquid-absorbing element 13 A When the liquid-absorbing element 13 A is placed in this manner, the liquid-absorbing element 13 A swells in the direction shown by the arrows in FIG. 1C (outward approximately along the plane of the sheet) and the swelling force of the liquid-absorbing element 13 A does not act as a peel force on the fixed part of the retaining element 10 A and the location of the liquid-absorbing element 13 A does not significantly get out of position, even if the electrolyte leaks out from a battery cell 3 and the liquid-absorbing element 13 A absorbs it during the use of the battery pack 1 A.
- the liquid-absorbing element 13 A swollen by liquid absorption can be prevented from moving to an undesirable position between the battery case 2 .
- liquid-absorbing element 13 A may be bonded to the retaining element 10 A with an adhesive or the adhesiveness of the liquid-absorbing element 13 A per se if desired, so far as it is loosely inserted in the gap 12 between the retaining element 10 A and the wiring circuit board 4 as described above.
- FIG. 2A is a perspective view of a battery pack 1 B according to another embodiment in the vicinity of the wiring circuit board
- FIG. 2B is a sectional view along x-x line in FIG. 2B .
- This battery pack 1 B uses a retaining element 10 B having a flat H-shaped section consisting of two facing plates joined by a support 11 at the center of the plates and a rectangular sheet-like or plate-like liquid-absorbing element 13 A is placed in a gap 12 between the upper and lower plates of the retaining element 10 B.
- This retaining element 10 B has such a dimension that it can be exactly mounted on a wiring circuit board 4 in the battery pack 1 B, and the retaining element 10 B and the wiring circuit board 4 are not fixed together though they may be fixed with an adhesive or the like, if desired.
- the liquid-absorbing element 13 A When the electrolyte leaks out from a battery cell and the liquid-absorbing element 13 A absorbs it during the use of this battery pack 1 B, the liquid-absorbing element 13 A also swells outward approximately along the plane of the sheet as shown in the arrows in FIG. 2B , but the location of the liquid-absorbing element 13 A does not get out of position significantly. Thus, the liquid-absorbing element 13 A swollen by liquid absorption can be prevented from moving to an undesirable position with respect to the battery cells 3 .
- FIG. 3A also shows a perspective view of a battery pack 1 C according to an embodiment in the vicinity of the wiring circuit board
- FIG. 3B is a sectional view along x-x line in FIG. 3A .
- This battery pack 1 C uses a retaining element 10 C consisting of a sheet-like element made from a material incapable of absorbing electrolytes and its center support 11 is adhered to a wiring circuit board 4 with an adhesive.
- a liquid-absorbing element 13 A is in the form of a plate or sheet hollowed at a part corresponding to the support 11 of the retaining element 10 C and loosely held in a gap 12 between the back surface 23 facing the wiring circuit board 4 and the top surface 22 of the wiring circuit board 4 in such a manner that the periphery of the support 11 of the retaining element 10 C somewhat floats.
- the liquid-absorbing element 13 A When the electrolyte leaks out from a battery cell and the liquid-absorbing element 13 A absorbs it during the use of this battery pack 1 C, the liquid-absorbing element 13 A also swells outward approximately along the plane of the sheet as shown in the arrows in FIG. 3B , but the location of the liquid-absorbing element 13 A does not significantly vary. Thus, the liquid-absorbing element 13 A swollen by liquid absorption can be prevented from moving to an undesirable position in the battery case 2 .
- FIG. 4A is a perspective view of a still another battery pack 1 D in the vicinity of the wiring circuit board
- FIG. 4B is a top view
- FIG. 4C is a sectional view along x-x line in FIG. 4B
- a retaining element 10 D is fixed to a wiring circuit board 4 by adhesion in such a manner that the retaining element 10 D surrounds a sheet-like or plate-like liquid-absorbing element 13 A from its top and three peripheral sides and the liquid-absorbing element 13 A is loosely inserted in a gap 12 between the back surface 24 of the retaining element 10 D facing the wiring circuit board 4 and the top surface 22 of the wiring circuit board 4 .
- Dotted regions 10 a , 10 b , 10 c in FIG. 4B represent zones of the retaining element 10 D adhered to the wiring circuit board 4 .
- liquid-absorbing element 13 A When the liquid-absorbing element 13 A absorbs liquid in this battery pack 1 D, it also swells outward approximately along the plane of the sheet as shown in the arrows in FIG. 4B , but the location of the liquid-absorbing element 13 A does not significantly get out the position in this battery pack 1 D.
- surrounding the periphery of the liquid-absorbing element 13 A by the retaining element 10 D from multiple directions in order to hold loosely the liquid-absorbing element 13 is not limited to three directions but also including four directions, for example.
- FIG. 5A is a perspective view of a battery pack 1 E according to an embodiment of the second aspect
- FIG. 5B is a perspective view of the battery pack 1 D in the vicinity of the wiring circuit board from which the battery case and the battery cells have been removed
- FIG. 5C is a sectional view along x-x line in FIG. 5B in the vicinity of the wiring circuit board.
- This battery pack 1 E also comprises a battery case 2 containing therein battery cells 3 , a wiring circuit board 4 , and a liquid-absorbing element 13 B capable of absorbing the electrolyte leaking out from the battery cells 3 .
- This liquid-absorbing element 13 B consists of a non-absorbent porous retaining element 15 a partially carrying a liquid absorbent along its plane to form a plurality of liquid absorbent parts 14 spaced from each other at a predetermined distance and an absorbent-free zone 16 of the porous retaining element 15 is fixed to the wiring circuit board 4 with an adhesive.
- the liquid absorbent used here in the liquid absorbent parts 14 can be similar to the liquid absorbents constituting the liquid-absorbing elements 13 A described above, and a nonwoven fabric, porous plastic, and the like can be used as the porous retaining element 15 .
- the distance between the liquid absorbent parts 14 e.g., the width w of the absorbent-free zone 16 can be determined depending on the total thickness of the porous retaining element 15 and the liquid absorbent parts 14 and other factors. It is normally equal to or greater than the total thickness, more specifically it is preferably 3 to 20 mm.
- liquid absorbent parts 14 separated by an elongate cross-shaped absorbent-free zone 16 are formed in this example.
- FIG. 6 is a sectional view of a variant of the battery pack 1 E described above in the vicinity of the wiring circuit board.
- an absorbent-free zone 16 is provided along the plane of the porous retaining element 15 and liquid absorbent parts 14 held a liquid absorbent in such a manner that the liquid absorbent is raised from both of the top and bottom of the porous retaining element 15 . Even when the liquid absorbent is held in this manner, the porous retaining element 15 can be stably fixed to the wiring circuit board 4 because of the presence of the absorbent-free zone 16 .
- FIG. 7 shows a sectional view of another variant of the battery pack 1 E described above in the vicinity of the wiring circuit board.
- this battery pack 1 G including a porous retaining element 15 partially holding a liquid absorbent to form liquid absorbent parts 14
- an absorbent-free zone 16 a is provided along not only the plane but also the thickness of the porous retaining element 15 so that it comes into plane-to-plane contact with the liquid absorbent parts 14 .
- the absorbent-free zone 16 a is also provided along the thickness in this manner, the electrolyte is further absorbed from the absorbent-free zone 16 a in which the porous retaining element 15 is exposed.
- the overlap thickness d of the porous retaining element 15 and the liquid absorbent parts 14 in the thickness direction is preferably e.g., 10 ⁇ m or more in terms of the bond strength of both.
- FIG. 8 shows a variant having liquid absorbent parts 14 holding a liquid absorbent to form an absorbent-free zone 16 a along the thickness of a porous retaining element 15 wherein the surface of the absorbent-free zone 16 a and the wiring circuit board 4 are fixed with an adhesive 17 .
- the porous retaining element 15 When the porous retaining element 15 is fixed with the adhesive 17 via the absorbent-free zone 16 a formed along the thickness of the porous retaining element 15 as in the case of this battery pack 1 H, the porous retaining element 15 can be more securely fixed as compared with the case where the absorbent-carrying zones are fixed to the wiring circuit board 4 with the adhesive 17 .
- FIG. 9A is a perspective view of a battery pack 1 X according to another embodiment
- FIG. 9B is a sectional view along x-x line in FIG. 9A in the vicinity of the inner wall surface of the battery case.
- a retaining element 10 A as described above is provided on an inner wall surface 18 of the inner wall of a battery case 2 of the battery pack 1 X facing a wiring circuit board 4 , as shown in FIGS. 9A and 9B , for example.
- the retaining element 10 A is fixed to the inner wall surface 18 of the battery case 2 via a projecting center support 11 .
- This fixation is accomplished by fitting, bonding with an adhesive or the like, and may be detachable.
- a gap 19 is formed between the top surface 20 of the retaining element 10 A facing the inner wall surface 18 and the inner wall surface 18 , and a liquid-absorbing element 13 A is inserted in this gap 19 with looseness allowing for expansion.
- the liquid-absorbing element 13 A When the electrolyte leaks out from a battery cell 3 and the liquid-absorbing element 13 A absorbs it during the use of this battery pack 1 X, the liquid-absorbing element 13 A also expands but its location does not significantly get out of position. Thus, the liquid-absorbing element 13 A swollen by liquid absorption can be prevented from moving to an undesirable position with respect to the battery cells 3 .
- the subject matter of the present application is not limited to the foregoing embodiments in which the gap 12 or the gap 19 is provided by fixing the retaining element 10 A to either one of the top surface 22 of the wiring circuit board 4 or the inner wall surface 18 of the battery case 2 , but the gap 12 and the gap 19 may also be provided by fixing the retaining element 10 A on both of the wiring circuit board 4 and the inner wall surface 18 of the battery case 2 and the liquid-absorbing element 13 A may be inserted in these the gap 12 and gap 19 with looseness allowing for expansion.
- the retaining element 10 B can also be fixed on the inner wall surface 18 of the battery case 2 or both of the wiring circuit board 4 and the inner wall surface 18 of the battery case 2 .
- the subject matter of the present application is useful as a battery pack having an element capable of absorbing the electrolyte leaking out from a battery cell.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
Description
Claims (8)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005-7230 | 2005-01-14 | ||
JP2005007230A JP4706823B2 (en) | 2005-01-14 | 2005-01-14 | Battery pack |
PCT/JP2006/300361 WO2006075693A1 (en) | 2005-01-14 | 2006-01-13 | Battery pack |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JPPCT/JP06/00361 Continuation | 2006-01-13 | ||
JPPCT/JP2006/30061 Continuation | 2006-01-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
US20070292723A1 US20070292723A1 (en) | 2007-12-20 |
US7445868B2 true US7445868B2 (en) | 2008-11-04 |
Family
ID=36677716
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/776,933 Active US7445868B2 (en) | 2005-01-14 | 2007-07-12 | Battery packs |
Country Status (5)
Country | Link |
---|---|
US (1) | US7445868B2 (en) |
JP (1) | JP4706823B2 (en) |
CN (1) | CN101103474B (en) |
TW (1) | TWI382576B (en) |
WO (1) | WO2006075693A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11211658B2 (en) | 2017-01-26 | 2021-12-28 | Samsung Sdi Co., Ltd. | Battery housing comprising absorbent layer and insulation film |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101350428B (en) * | 2008-08-26 | 2010-10-13 | 深圳市海盈科技有限公司 | Lithium ion battery and method for assembling the same |
CN102800889B (en) * | 2011-05-26 | 2015-06-24 | 比亚迪股份有限公司 | Lithium-ion battery and preparation method for same |
CN102891334B (en) * | 2011-07-18 | 2015-08-26 | 比亚迪股份有限公司 | A kind of lithium ion battery and preparation method thereof |
JP5743276B2 (en) * | 2011-09-26 | 2015-07-01 | Fdk株式会社 | Battery unit |
EP2731164B1 (en) * | 2012-11-12 | 2017-06-28 | Samsung SDI Co., Ltd. | Battery system |
CN103972436B (en) * | 2013-02-04 | 2016-02-10 | 能元科技股份有限公司 | Battery protection device and array |
KR101446148B1 (en) * | 2013-04-29 | 2014-10-30 | 주식회사 엘지화학 | Battery module assembly for vehicle's battery pack |
US10608288B2 (en) | 2014-04-13 | 2020-03-31 | Phinergy Ltd. | Safety method and system for liquid electrolyte battery |
US10516146B2 (en) * | 2016-10-28 | 2019-12-24 | Tiveni Mergeco, Inc. | Fixation of a battery module in a battery module compartment of an energy storage system |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001351588A (en) | 2000-06-02 | 2001-12-21 | Sony Corp | Battery pack |
JP2002118372A (en) | 2000-10-05 | 2002-04-19 | Sony Corp | Liquid absorbing device |
JP2004355997A (en) | 2003-05-30 | 2004-12-16 | Sony Chem Corp | Liquid absorbing sheet and non-aqueous electrolytic solution battery pack |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59168963U (en) * | 1983-04-27 | 1984-11-12 | 日本電池株式会社 | flat battery pack |
US5845769A (en) * | 1992-07-01 | 1998-12-08 | Yeager; James W. | Storage bag with soaker pad |
-
2005
- 2005-01-14 JP JP2005007230A patent/JP4706823B2/en active Active
-
2006
- 2006-01-13 CN CN2006800023083A patent/CN101103474B/en active Active
- 2006-01-13 WO PCT/JP2006/300361 patent/WO2006075693A1/en not_active Application Discontinuation
- 2006-01-13 TW TW095101381A patent/TWI382576B/en active
-
2007
- 2007-07-12 US US11/776,933 patent/US7445868B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001351588A (en) | 2000-06-02 | 2001-12-21 | Sony Corp | Battery pack |
JP2002118372A (en) | 2000-10-05 | 2002-04-19 | Sony Corp | Liquid absorbing device |
JP2004355997A (en) | 2003-05-30 | 2004-12-16 | Sony Chem Corp | Liquid absorbing sheet and non-aqueous electrolytic solution battery pack |
Non-Patent Citations (1)
Title |
---|
IPDL machine translation of JP 2001-351588. * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11211658B2 (en) | 2017-01-26 | 2021-12-28 | Samsung Sdi Co., Ltd. | Battery housing comprising absorbent layer and insulation film |
Also Published As
Publication number | Publication date |
---|---|
CN101103474A (en) | 2008-01-09 |
JP4706823B2 (en) | 2011-06-22 |
WO2006075693A1 (en) | 2006-07-20 |
JP2006196331A (en) | 2006-07-27 |
CN101103474B (en) | 2011-07-06 |
TW200631215A (en) | 2006-09-01 |
US20070292723A1 (en) | 2007-12-20 |
TWI382576B (en) | 2013-01-11 |
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